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The normal human eye has maximum visual acuity with a pupil size of about 3 mm. For larger pupils, acuity decreases due to increasing aberrations; for smaller pupils, acuity decreases due to increasing effects of diffraction. If your pupil diameter is 2.0 mm, as it would be in fairly bright light, what is the smallest diameter circle that you can barely see as a circle, rather than just a dot, if the circle is at your near point, 24.7 cm from your eye? (Assume the light's wavelength in air is 593 nm and the index of refraction inside the eye is 1.33.)
The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n = 5 energy level from/to higher energy levels
Suppose one gallon of gasoline produces 1.41×108 J of energy, and this energy is sufficient to operate a car for 20.0 miles. how many miles could the car go on a single tablet
A radioactive nucleus decays spontaneously by the emission of an electron and neutrino. what is the momentum of the residual nucleus
Mary throws a ball to Suzy, who is standing 25 meters away. Suzy catches the ball from the same height at which it was thrown. calculate initial vertical velocity and Horizontal velocity
The plates of a parallel place capacitor have an area of 5 cm^2 each, and the capacitor has a capacitance of 3.5 pF. What is the separation of the plates and its final charge density
Four point charges of magnitude 3.1 µC are at the corners of a square of side 5 m. Find the electrostatic potential energy if all the charges are negative.
A tennis ball of mass m(t) is held just above a basketball of mass m(b), With their centers vertically aligned, both are released from rest at the same moment, To what height does the tennis ball rebound
q1. an artificial satellite circling the earth completes each orbit in 102 minutes. the radius of the earth is 6.38 106
An entertainer, when performing a bubble trick, forms one bubble inside another. What is the gauge pressure in the inner bubble
Two equal masses collide in space away from any gravitational object. Mass A is moving in a straight line at 45 m/s, Find the speeds of the two masses after the collision
Use the worked example above to help you solve this problem. A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal, How long does it take for the ball to hit the ground
A tortoise can run with a speed of 11.7 cm/s, and a hare can run 18.1 times as fast. How long does the race take
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